Analysis
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max time kernel
145s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-09-2022 21:59
Static task
static1
Behavioral task
behavioral1
Sample
Packing list.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Packing list.exe
Resource
win10v2004-20220812-en
General
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Target
Packing list.exe
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Size
720KB
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MD5
664062762de8fdfb381268ae566f3d9e
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SHA1
d9f2cbd717f700fe9046f947f62fa9d906b3d46f
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SHA256
7cffd8eb6866547d175295072b7f1b180467a29b537da3ede1f2c3ebe11c7aaf
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SHA512
66dc66420565f1b4b2b34a6b5dff7c1dfda6ac9fb65a12738066d866abf8e91afc462d94d1f9c51d9b00bb6158819d69b17aa47787bfa98a5e93168174bb611a
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SSDEEP
12288:TRbG5h7Tu3XDG2g9YIDz+gbldEevK1pisp2VDPrv/ugwyu4CkrOP7Vg:dG5d4G2UpZdEeC1pispaDDHugwv412h
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5056459562:AAHQW9wJvHEkQsnxuML0xV3IDA6-DUuUNFI/sendDocument
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/1988-138-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts Packing list.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Packing list.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Packing list.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Packing list.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5020 set thread context of 1988 5020 Packing list.exe 92 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1988 Packing list.exe 1988 Packing list.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1988 Packing list.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5020 wrote to memory of 1988 5020 Packing list.exe 92 PID 5020 wrote to memory of 1988 5020 Packing list.exe 92 PID 5020 wrote to memory of 1988 5020 Packing list.exe 92 PID 5020 wrote to memory of 1988 5020 Packing list.exe 92 PID 5020 wrote to memory of 1988 5020 Packing list.exe 92 PID 5020 wrote to memory of 1988 5020 Packing list.exe 92 PID 5020 wrote to memory of 1988 5020 Packing list.exe 92 PID 5020 wrote to memory of 1988 5020 Packing list.exe 92 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Packing list.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Packing list.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Packing list.exe"C:\Users\Admin\AppData\Local\Temp\Packing list.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Users\Admin\AppData\Local\Temp\Packing list.exe"C:\Users\Admin\AppData\Local\Temp\Packing list.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1988
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